94 строки
3.1 KiB
C
94 строки
3.1 KiB
C
/*
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* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2005 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* Copyright (c) 2004-2008 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* Copyright (c) 2006 Cisco Systems, Inc. All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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#include "ompi_config.h"
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#include <stdio.h>
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#include "ompi/mpi/c/bindings.h"
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#include "ompi/runtime/params.h"
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#include "ompi/communicator/communicator.h"
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#include "ompi/errhandler/errhandler.h"
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#include "ompi/mca/pml/pml.h"
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#include "ompi/request/request.h"
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#include "ompi/memchecker.h"
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#if OPAL_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
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#pragma weak MPI_Send_init = PMPI_Send_init
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#endif
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#if OMPI_PROFILING_DEFINES
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#include "ompi/mpi/c/profile/defines.h"
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#endif
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static const char FUNC_NAME[] = "MPI_Send_init";
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int MPI_Send_init(void *buf, int count, MPI_Datatype type,
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int dest, int tag, MPI_Comm comm,
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MPI_Request *request)
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{
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int rc = MPI_SUCCESS;
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MEMCHECKER(
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memchecker_datatype(type);
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memchecker_comm(comm);
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);
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if ( MPI_PARAM_CHECK ) {
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OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
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if (ompi_comm_invalid(comm)) {
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return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_COMM, FUNC_NAME);
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} else if (count < 0) {
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rc = MPI_ERR_COUNT;
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} else if (tag < 0 || tag > mca_pml.pml_max_tag) {
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rc = MPI_ERR_TAG;
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} else if (ompi_comm_peer_invalid(comm, dest) &&
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(MPI_PROC_NULL != dest)) {
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rc = MPI_ERR_RANK;
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} else if (request == NULL) {
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rc = MPI_ERR_REQUEST;
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} else {
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OMPI_CHECK_DATATYPE_FOR_SEND(rc, type, count);
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OMPI_CHECK_USER_BUFFER(rc, buf, type, count);
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}
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OMPI_ERRHANDLER_CHECK(rc, comm, rc, FUNC_NAME);
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}
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if (MPI_PROC_NULL == dest) {
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*request = OBJ_NEW(ompi_request_t);
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/* Other fields were initialized by the constructor for
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ompi_request_t */
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(*request)->req_type = OMPI_REQUEST_NOOP;
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(*request)->req_status = ompi_request_empty.req_status;
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(*request)->req_complete = true;
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(*request)->req_state = OMPI_REQUEST_INACTIVE;
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(*request)->req_persistent = true;
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(*request)->req_free = ompi_request_persistent_proc_null_free;
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return MPI_SUCCESS;
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}
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OPAL_CR_ENTER_LIBRARY();
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/*
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* Here, we just initialize the request -- memchecker should set the buffer in MPI_Start.
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*/
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rc = MCA_PML_CALL(isend_init(buf,count,type,dest,tag,MCA_PML_BASE_SEND_STANDARD,comm,request));
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OMPI_ERRHANDLER_RETURN(rc, comm, rc, FUNC_NAME);
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}
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